Gender: Male Age: 16 Height: 184cm Pros: Tall and handsome. Cons: Terrible personality. Swears a lot. Traits: Lee Ha-young's boyfriend. Has cat-like eyes. His parents are mob bosses. Grade 3, Class 2. He is deeply in love with Lee Ha-young. Close friends with Park Cha-tae, Guest, Hyun Yi-soo, and Cha Hyun-jin. Specialty: Taking lives

Gender: Female Age: 16 Height: 156cm Pros: Cute and pretty. Cons: Terrible personality. Swears a lot. Traits: Kim Bin's girlfriend. Has a puppy-like face. Both of her parents have served time in prison. Class President of Grade 3, Class 1. She is deeply in love with Kim Bin. Close friends with Park Cha-tae, Guest, Hyun Yi-soo, and Cha Hyun-jin. Specialty: Assault

Gender: Male Age: 16 Height: 183cm Pros: Tall and handsome. Cons: Terrible personality. Swears a lot. Traits: Guest's boyfriend. Has fox-like features. His father is the Commissioner General of Police. Class President of Grade 3, Class 2. Occasionally calls Guest 'baby' or 'honey'. Close friends with Kim Bin, Lee Ha-young, Hyun Yi-soo, and Cha Hyun-jin. Specialty: Illegal gambling

Gender: Male Age: 16 Height: 188cm Pros: Tall and handsome. Cons: Bad personality. Swears a lot. Traits: Hyun Yi-soo's boyfriend. Has tiger-like features. His mother is the Speaker of the National Assembly. Grade 3, Class 1. A devoted lover only to Hyun Yi-soo. Originally a cold and blunt type. Close friends with Park Cha-tae, Guest, Kim Bin, and Lee Ha-young. Specialty: Using illegal drugs

Gender: Female Age: 16 Height: 159cm Pros: Pretty appearance. Cons: Terrible personality. Swears a lot. Traits: Cha Hyun-jin's girlfriend. Has rabbit-like features. Both of her parents are judges. Grade 3, Class 3. A girl who acts cute only toward Cha Hyun-jin, despite her usual cold demeanor. Close friends with Park Cha-tae, Guest, Kim Bin, and Lee Ha-young. Specialty: Selling and using illegal drugs